3,904 research outputs found

    Compilation of detection sensitivities in thermal-neutron activation

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    Detection sensitivities of the chemical elements following thermal-neutron activation have been compiled from the available experimental cross sections and nuclear properties and presented in a concise and usable form. The report also includes the equations and nuclear parameters used in the calculations

    Portable, high intensity isotopic neutron source provides increased experimental accuracy

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    Small portable, high intensity isotopic neutron source combines twelve curium-americium beryllium sources. This high intensity of neutrons, with a flux which slowly decreases at a known rate, provides for increased experimental accuracy

    Moisture in indoor air: findings of 40 years

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    The Three Weird Sisters Revisited

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    Atomic Data for Stellar Astrophysics: from the UV to the IR

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    The study of stars and stellar evolution relies heavily on the analysis of stellar spectra. The need for atomic line data from the ultraviolet (UV) to the infrared (lR) regions is greater now than ever. In the past twenty years, the time since the launch of the Hubble Space Telescope, great progress has been made in acquiring atomic data for UV transitions. The optical wavelength region, now expanded by progress in detector technology, continues to provide motivation for new atomic data. In addition, investments in new instrumentation for ground-based and space observatories has lead to the availability of high-quality spectra at IR wavelengths, where the need for atomic data is most critical. In this review, examples are provided of the progress made in generating atomic data for stellar studies, with a look to the future for addressing the accuracy and completeness of atomic data for anticipated needs

    Felicissima Matrum: The Construction of Maternal Identity in Ovid\u27s \u3cem\u3eMetamorphoses\u3c/em\u3e and \u3cem\u3eFasti\u3c/em\u3e

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    After finally gaining control of Rome as princeps, Augustus was tasked with both ushering in a new era of peace and a new imperial form of government. To contrast the masculine world of war that he sought to leave behind, Augustus turned his attention to mothers and used them in imperial ideology and imagery as symbols of prosperity and morality. This was supported through his moral legislation, which brought tangible, legal benefits to motherhood in addition to the benefits of status that were more loosely and implicitly defined. The transition to monarchy also brought attention to mothers as the importance of succession was more important than ever and imperial women’s proximity to power stirred existing anxieties about feminine threats to power. In this context, Ovid composes the Metamorphoses and Fasti, and in this thesis, I examine the ways in which Ovid specifically acknowledges and disrupts Augustus’ construction of maternal identity as a stable symbol of peace and prosperity. In the Metamorphoses, Ovid confronts the pressure placed on women to become mothers by exploring the transgressive mothers of myth. In particular, I argue that this is accomplished through a focus on names and titles, especially that of mater and a woman’s given name. In the Fasti, Ovid takes on the paradoxical visibility and power of mothers at this time through the imperial family by concentrating on the upright founding mothers of Rome. Ovid achieves this through structure, namely by positioning mothers in the narrative to consistently undercut and overshadow men. In this way, the poems work together to address both realities of mothers at this time while also challenging Augustus’ efforts of control and stability
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